itofix man page on DragonFly

itofix man page on DragonFly

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itofix(3)			Allegro manual			     itofix(3)

NAME
       itofix  -  Converts an integer to fixed point. Allegro game programming
       library.

SYNOPSIS
       #include <allegro.h>

       fixed itofix(int x);

DESCRIPTION
       Converts an integer to fixed point. This is the same  thing  as	x<<16.
       Remember	 that  overflows  (trying  to  convert an integer greater than
       32767) and underflows (trying to convert an integer lesser than -32768)
       are not detected even in debug builds! The values simply "wrap around".
       Example:

	  fixed number;
	  /* This conversion is OK. */
	  number = itofix(100);
	  ASSERT(fixtoi(number) == 100);
	  number = itofix(64000);
	  /* This check will fail in debug builds. */
	  ASSERT(fixtoi(number) == 64000);

RETURN VALUE
       Returns the value of the integer	 converted  to	fixed  point  ignoring
       overflows.

SEE ALSO
       fixtoi(3),   ftofix(3),	 fixtof(3),  ex12bit(3),  ex3buf(3),  ex3d(3),
       exblend(3),   excustom(3),   exfixed(3),	  exlights(3),	  exspline(3),
       exsprite(3), exstars(3)

Allegro				 version 4.4.2			     itofix(3)

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